Generally 10–19 years, though developmental changes continue until approximately 24–25 years.
Approximately 1.3 billion people—roughly one in six people worldwide—are adolescents.
Focuses on rapid physical growth and the beginning of puberty. Teens at this stage often become more self-conscious about their appearance and seek greater privacy. adolescent
Major causes of death and injury include road accidents, suicide, and interpersonal violence. Stages of Development
Adolescence is typically divided into three distinct sub-phases, each with unique milestones: Teens at this stage often become more self-conscious
Focuses on stabilizing identity, completing education, and entering the workforce. It is increasingly recognized as a "prolonged" phase in contemporary societies. The Adolescent Brain Adolescent Development - The Promise of Adolescence - NCBI
The onset of puberty, which triggers rapid physical and hormonal changes. It is increasingly recognized as a "prolonged" phase
Characterized by a shift in focus toward peer groups and romantic interests. This stage often involves increased conflict with parents as the teen seeks independence.